On Thu, 22 Dec 2011 09:24:20 -0500, Aaron Ecay <aaronecay@gmail.com> wrote:
> Text properties change between characters; prev-s-c-property-change
> returns the position after the change.  Thus, it is still inside the
> invisible region.

Thanks Aaron!  I just tested this and it does seem to fix the issue.

Definitely +1 for this.

jamie.